C++ osal_msg_receive函数代码示例

/**************************************************************************************************
 * @fn      Hal_ProcessEvent
 *
 * @brief   Hal Process Event
 *
 * @param   task_id - Hal TaskId
 *          events - events
 *
 * @return  None
 **************************************************************************************************/
uint16 Hal_ProcessEvent( uint8 task_id, uint16 events )
{
  uint8 *msgPtr;

  (void)task_id;  // Intentionally unreferenced parameter
  
  //--------------------------------------------------------------------------//
  // processing the system message
  //--------------------------------------------------------------------------//
  if ( events & SYS_EVENT_MSG )
  {
    msgPtr = osal_msg_receive(Hal_TaskID);

    while (msgPtr)
    {
      /* Do something here - for now, just deallocate the msg and move on */

      /* De-allocate */
      osal_msg_deallocate( msgPtr );
      /* Next */
      msgPtr = osal_msg_receive( Hal_TaskID );
    }
    return events ^ SYS_EVENT_MSG;
  }
  
  return 0;
}

/**************************************************************************************************
 * @fn      Hal_ProcessEvent
 *
 * @brief   Hal Process Event
 *
 * @param   task_id - Hal TaskId
 *          events - events
 *
 * @return  None
 **************************************************************************************************/
uint16 Hal_ProcessEvent( uint8 task_id, uint16 events )
{
  uint8 *msgPtr;
  
  (void)task_id;  // Intentionally unreferenced parameter

  if ( events & SYS_EVENT_MSG )
  {
    msgPtr = osal_msg_receive(Hal_TaskID);

    while (msgPtr)
    {
      /* Do something here - for now, just deallocate the msg and move on */

      /* De-allocate */
      osal_msg_deallocate( msgPtr );
      /* Next */
      msgPtr = osal_msg_receive( Hal_TaskID );
    }
    return events ^ SYS_EVENT_MSG;
  }

  if ( events & HAL_LED_BLINK_EVENT )
  {
#if (defined (BLINK_LEDS)) && (HAL_LED == TRUE)
    HalLedUpdate();
#endif /* BLINK_LEDS && HAL_LED */
    return events ^ HAL_LED_BLINK_EVENT;
  }

  if (events & HAL_KEY_EVENT)
  {

#if (defined HAL_KEY) && (HAL_KEY == TRUE)
    /* Check for keys */
    HalKeyPoll();

    /* if interrupt disabled, do next polling */
    if (!Hal_KeyIntEnable)
    {
      osal_start_timerEx( Hal_TaskID, HAL_KEY_EVENT, 100);
    }
#endif // HAL_KEY

    return events ^ HAL_KEY_EVENT;
  }

#ifdef POWER_SAVING
  if ( events & HAL_SLEEP_TIMER_EVENT )
  {
    halRestoreSleepLevel();
    return events ^ HAL_SLEEP_TIMER_EVENT;
  }
#endif

  /* Nothing interested, discard the message */
  return 0;

}

uint16 DisplayTaskEventLoop(uint8 task_id, uint16 events)
{
	   Dis_Msg_t *msg = NULL;
	
	   if(events & SYS_EVENT_MSG)
		 {
			  msg = (Dis_Msg_t *)osal_msg_receive(task_id);
			 
			  while(msg)
				{
					 switch(msg->hdr.event)
					 {
                case DIS_UPDATE:
									if(false == IS_Flag_Valid(DISPLAY_UPDATE_LOCK)){
										dispaly_update_handler(gSystem_t, cur_menu->id, msg->value);
									}
									break;
								
								case DIS_JUMP:
									dispaly_update_handler(gSystem_t, (menu_id_t)msg->value, 0);
									break;
								
								default:
									break;
					 }
					 
					 osal_msg_deallocate((uint8 *) msg);
					 
					 msg = (Dis_Msg_t *)osal_msg_receive(task_id);
				}
				
				return (events ^ SYS_EVENT_MSG);
		 }
		 
		 if(events & VOL_DIS_BACK_MSG){
			 vol_dis_timeout_handler();
			 return (events ^ VOL_DIS_BACK_MSG);
		 }
		 
		 if(events & SRC_MENU_TIMEOUT_MSG){
			 src_dis_timeout_handler();
			 return (events ^ SRC_MENU_TIMEOUT_MSG);
		 }
		 
		 if(events & SRC_MENU_TO_FILE_LIST_TIMEOUT_MSG){
			 
			 src_menu_to_file_list_handler();
			 
			 return(events ^ SRC_MENU_TO_FILE_LIST_TIMEOUT_MSG);
		 }
		 
		 return 0;
 }

/*********************************************************************
 * @fn      SampleApp_ProcessEvent
 * @brief   Generic Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 * @return  none
 */
uint16 SampleApp_ProcessEvent( uint8 task_id, uint16 events )
{
  afIncomingMSGPacket_t *MSGpkt;
  (void)task_id;  // Intentionally unreferenced parameter

  if ( events & SYS_EVENT_MSG )
  {
    MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( SampleApp_TaskID );
    //Databuf = osal_mem_alloc(MSGpkt->cmd.DataLength);
    while ( MSGpkt )
    {
        switch ( MSGpkt->hdr.event )
        {        
          // Received when a messages is received (OTA) for this endpoint
          case AF_INCOMING_MSG_CMD:
            SampleApp_MessageMSGCB( MSGpkt );
            break;  
          default:
            break;
        }    
        
      // Release the memory
      osal_msg_deallocate((uint8 *)MSGpkt );
     
      // Next - if one is available
      MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( SampleApp_TaskID );
    }
  
    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  // Send a message out - This event is generated by a timer
  //  (setup in SampleApp_Init()).
  if ( events & SAMPLEAPP_SEND_PERIODIC_MSG_EVT )
  {
     
     SampleApp_SendPeriodicMessage();  //发送数据函数
     
    // Setup to send message again in normal period (+ a little jitter)
   
    osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT,
        (SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT + (osal_rand() & 0x00FF)) );

    // return unprocessed events
    return (events ^ SAMPLEAPP_SEND_PERIODIC_MSG_EVT);
  }

  // Discard unknown events
  return 0;
}

uint16 FanProcessEvent(uint8 taskId, uint16 events)
{
	if (events & SYS_EVENT_MSG)
	{
		uint8* message = NULL;

		if ((message = osal_msg_receive(fanTaskId)) != NULL)
		{
			FanProcessOSALMessage((osal_event_hdr_t*)message);
			osal_msg_deallocate(message);
		}

		return (events ^ SYS_EVENT_MSG);
	}

	if (events & FAN_START_DEVICE_EVT)
	{
		GAPRole_StartDevice(&fanPeripheralCallBacks);
		GAPBondMgr_Register(&fanBondManagerCallBacks);
	
		return (events ^ FAN_START_DEVICE_EVT);
	}

	if (events & FAN_UPDATE_STATUS_EVT)
	{
		FanUpdateStatus();
	
		return (events ^ FAN_UPDATE_STATUS_EVT);
	}

	return 0;
};

/*********************************************************************
 * @fn      SimpleBLEBroadcaster_ProcessEvent
 *
 * @brief   Simple BLE Broadcaster Application Task event processor. This
 *          function is called to process all events for the task. Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  events not processed
 */
uint16 SimpleBLEBroadcaster_ProcessEvent( uint8 task_id, uint16 events )
{
  
  VOID task_id; // OSAL required parameter that isn't used in this function
  
  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( simpleBLEBroadcaster_TaskID )) != NULL )
    {
      simpleBLEBroadcaster_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & SBP_START_DEVICE_EVT )
  {
    // Start the Device
    VOID GAPRole_StartDevice( &simpleBLEBroadcaster_BroadcasterCBs );
    
    return ( events ^ SBP_START_DEVICE_EVT );
  }
  
  // Discard unknown events
  return 0;
}

/*********************************************************************
 * @fn      CyclingService_ProcessEvent
 *
 * @brief   process incoming event.
 *
 * @param   task_id - OSAL task id.
 *
 * @param   events - event bit(s) set for the task(s)
 *
 * @return  none
 */
uint16 CyclingService_ProcessEvent( uint8 task_id, uint16 events )
{
  VOID task_id;

  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( cyclingService_TaskID )) != NULL )
    {
      cycling_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & CSC_CMD_IND_SEND_EVT )
  {
    GATT_Indication( connectionHandle, &cscCmdInd, FALSE, cyclingService_TaskID );

    // Set Control Point Cfg done
    scOpInProgress = FALSE;

    return ( events ^ CSC_CMD_IND_SEND_EVT );
  }

  return 0;
}

/***************************************************************************************************
 * @fn      MT_ProcessEvent
 *
 * @brief MonitorTest Task Event Processor.  This task is put into the task table.
 *
 * @param   byte task_id - task ID of the MT Task
 * @param   UINT16 events - event(s) for the MT Task
 *
 * @return  void
 ***************************************************************************************************/
UINT16 MT_ProcessEvent(uint8 task_id, uint16 events)
{
  uint8 *msg_ptr;
  
  (void)task_id;  // Intentionally unreferenced parameter

  /* Could be multiple events, so switch won't work */
  if ( events & SYS_EVENT_MSG )
  {
    while ( (msg_ptr = osal_msg_receive( MT_TaskID )) )
    {
      MT_ProcessIncomingCommand((mtOSALSerialData_t *)msg_ptr);
    }

    /* Return unproccessed events */
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & MT_ZTOOL_SERIAL_RCV_BUFFER_FULL )
  {
    /* Return unproccessed events */
    return (events ^ MT_ZTOOL_SERIAL_RCV_BUFFER_FULL);
  }

  /* Handle MT_SYS_OSAL_START_TIMER callbacks */
#if defined MT_SYS_FUNC
  if ( events & (MT_SYS_OSAL_EVENT_MASK))
  {
    if (events & MT_SYS_OSAL_EVENT_0)
    {
      MT_SysOsalTimerExpired(0x00);
      events ^= MT_SYS_OSAL_EVENT_0;
    }

    if (events & MT_SYS_OSAL_EVENT_1)
    {
      MT_SysOsalTimerExpired(0x01);
      events ^= MT_SYS_OSAL_EVENT_1;
    }

    if (events & MT_SYS_OSAL_EVENT_2)
    {
      MT_SysOsalTimerExpired(0x02);
      events ^= MT_SYS_OSAL_EVENT_2;
    }

    if (events & MT_SYS_OSAL_EVENT_3)
    {
      MT_SysOsalTimerExpired(0x03);
      events ^= MT_SYS_OSAL_EVENT_3;
    }

    return events;
  }
#endif

  /* Discard or make more handlers */
  return 0;

} /* MT_ProcessEvent() */

/**************************************************************************************************
 * @fn          MHMSSysEvtMsg
 *
 * @brief       This function is called by MHMSAppEvt() to process all of the pending OSAL messages.
 *
 * input parameters
 *
 * None.
 *
 * output parameters
 *
 * None.
 *
 * @return      None.
 **************************************************************************************************
 */
static void MHMSSysEvtMsg(void)
{
    uint8 *msg;

    while ((msg = osal_msg_receive(MHMSTaskId)))
    {
        switch (*msg)
        {
#if TVSA_DATA_CNF  //MHMS Question what is this for?
        case AF_DATA_CONFIRM_CMD:
            if (ZSuccess != ((afDataConfirm_t *)msg)->hdr.status)
            {
                if (0 == ++MHMSCnfErrCnt)
                {
                    MHMSCnfErrCnt = 255;
                }
            }
            break;
#endif

        case AF_INCOMING_MSG_CMD:  //MHMS this a router processing the incomming command from the coordinator
            MHMSAfMsgRx((afIncomingMSGPacket_t *)msg);
            break;

        case ZDO_STATE_CHANGE:
            MHMSZdoStateChange();
            break;

        default:
            break;
        }

        (void)osal_msg_deallocate(msg);  // Receiving task is responsible for releasing the memory.
    }
}

/**
 * @brief   Central Profile Task event processing function.
 *
 * @param   taskId - Task ID
 * @param   events - Events.
 *
 * @return  events not processed
 */
uint16 GAPCentralRole_ProcessEvent( uint8 taskId, uint16 events )
{
  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( gapCentralRoleTaskId )) != NULL )
    {
      gapCentralRole_ProcessOSALMsg( (osal_event_hdr_t *) pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & GAP_EVENT_SIGN_COUNTER_CHANGED )
  {
    // Sign counter changed, save it to NV
    VOID osal_snv_write( BLE_NVID_SIGNCOUNTER, sizeof( uint32 ), &gapCentralRoleSignCounter );

    return ( events ^ GAP_EVENT_SIGN_COUNTER_CHANGED );
  }

  // Discard unknown events
  return 0;
}

/*********************************************************************
 * @fn      HidEmuKbd_ProcessEvent
 *
 * @brief   HidEmuKbd Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  events not processed
 */
uint16 HidEmuKbd_ProcessEvent( uint8 task_id, uint16 events )
{

  VOID task_id; // OSAL required parameter that isn't used in this function

  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( hidEmuKbdTaskId )) != NULL )
    {
      hidEmuKbd_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & START_DEVICE_EVT )
  {
    return ( events ^ START_DEVICE_EVT );
  }

   return 0;
}

/*********************************************************************
 * @fn      TimeApp_ProcessEvent
 *
 * @brief   Time App Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  events not processed
 */
uint16 TimeApp_ProcessEvent( uint8 task_id, uint16 events )
{
  
  VOID task_id; // OSAL required parameter that isn't used in this function
  
  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( timeAppTaskId )) != NULL )
    {
      timeApp_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return ( events ^ SYS_EVENT_MSG );
  }

  if ( events & START_DEVICE_EVT )
  {
    // Start the Device
    VOID GAPRole_StartDevice( &timeAppPeripheralCB );

    // Register with bond manager after starting device
    GAPBondMgr_Register( (gapBondCBs_t *) &timeAppBondCB );

    return ( events ^ START_DEVICE_EVT );
  }

  if ( events & START_DISCOVERY_EVT )
  {
    if ( timeAppPairingStarted )
    {
      // Postpone discovery until pairing completes
      timeAppDiscPostponed = TRUE;
    }
    else
    {
      timeAppDiscState = timeAppDiscStart();
    }  
    return ( events ^ START_DISCOVERY_EVT );
  }

  if ( events & CLOCK_UPDATE_EVT )
  {
    timeAppClockDisplay();

    // Restart clock tick timer
    osal_start_timerEx( timeAppTaskId, CLOCK_UPDATE_EVT, DEFAULT_CLOCK_UPDATE_PERIOD );

    return ( events ^ CLOCK_UPDATE_EVT );
  }
     
  // Discard unknown events
  return 0;
}

/*********************************************************************
 * @fn      SimpleBLEPeripheral_ProcessEvent
 *
 * @brief   Simple BLE Peripheral Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  events not processed
 */
uint16 SimpleBLEPeripheral_ProcessEvent( uint8 task_id, uint16 events )
{
  //tasksArr[] ÊÇ11¸öTaskµÄ×îºóÒ»¸ö£¬ÓÉOSAL ϵͳ½øÐе÷¶È¡£ÓÐʱ¼äÀ´ÁË£¬Óø÷½·¨´¦Àí¡£³õʼ»¯OSAL_SimpleBLEperipheal

  VOID task_id; // OSAL required parameter that isn't used in this function

  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( simpleBLEPeripheral_TaskID )) != NULL )
    {
      simpleBLEPeripheral_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & SBP_START_DEVICE_EVT )
  {
    // Start the Device   Õâ¸öÊÇÉ豸ÓÐ״̬±ä»¯²Å»áµ÷ÓõĻص÷º¯Êý
    VOID GAPRole_StartDevice( &simpleBLEPeripheral_PeripheralCBs );

    // Start Bond Manager
    VOID GAPBondMgr_Register( &simpleBLEPeripheral_BondMgrCBs );
    
    // Set timer for first periodic event
    //init LED
    PWM_init();
    init_QI_Switch(1);
    //dataChange(1,0);
    
    //osal_start_timerEx( simpleBLEPeripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD );
    //LedChange();
    return ( events ^ SBP_START_DEVICE_EVT );
  }
  
 if ( events & SBP_PERIODIC_EVT )
  {
    //osal_start_timerEx( simpleBLEPeripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD );
    //Ö´ÐеƹâchangeµÄº¯Êý
    
    if(P1_1 == 1){
        //HalLcdWriteString("HEIGH",HAL_LCD_LINE_4);
    }else{
        //HalLcdWriteString("LOW",HAL_LCD_LINE_4);
    }

    LedChange();
    return (events ^ SBP_PERIODIC_EVT);
  }

  // Discard unknown events
  return 0;
}

/* @fn      LoacationApp_ProcessEvent
 * @brief   Generic Application Task event processor.
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - Bit map of events to process.
 * @return  none*/
uint16 LoacationApp_ProcessEvent( uint8 task_id, uint16 events ) {
  if ( events & SYS_EVENT_MSG ) {
    afIncomingMSGPacket_t *MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive(
                                                             LoacationApp_TaskID );
    while ( MSGpkt != NULL ) {
      switch ( MSGpkt->hdr.event ) {
      case KEY_CHANGE:
        handleKeys( ((keyChange_t *)MSGpkt)->state, ((keyChange_t *)MSGpkt)->keys );
        break;
      case AF_DATA_CONFIRM_CMD:
#if !defined( RTR_NWK )
        {
        // This message is received as a confirmation of a data packet sent.
        // The status is of ZStatus_t type [defined in ZComDef.h]
        afDataConfirm_t *afDataConfirm = (afDataConfirm_t *)MSGpkt;
        /* No ACK from the MAC layer implies that mobile device is out of
         * range of most recent parent. Therefore, begin an orphan scan
         * to try to find a former parent.
         * NOTE: To get the fastest action in the process of finding a new
         * parent, set the MAX_JOIN_ATTEMPTS in ZDApp.c to 1.*/
        if(afDataConfirm->hdr.status == ZMacNoACK) LoacationApp_NoACK();
        else{}// Some other error -- Do something.
        }
#endif
        break;
      case AF_INCOMING_MSG_CMD:
        processMSGCmd( MSGpkt );
        break;
      case ZDO_STATE_CHANGE:
#if defined( POWER_SAVING )
        if(rejoinPending) {
          rejoinPending = FALSE;
          LoacationApp_Sleep(TRUE); //Ok to resume power saving ops.
        }
#endif
        break;
      default:
        break;
      }
      osal_msg_deallocate( (uint8 *)MSGpkt );
      MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive(LoacationApp_TaskID);
    }
    return (events ^ SYS_EVENT_MSG);  // Return unprocessed events.
  }
  return 0;  // Discard unknown events
}

/**
 * @brief   Central Profile Task event processing function.
 *
 * @param   taskId - Task ID
 * @param   events - Events.
 *
 * @return  events not processed
 */
uint16 GAPCentralRole_ProcessEvent( uint8 taskId, uint16 events )
{
  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( gapCentralRoleTaskId )) != NULL )
    {
      gapCentralRole_ProcessOSALMsg( (osal_event_hdr_t *) pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & GAP_EVENT_SIGN_COUNTER_CHANGED )
  {
    // Sign counter changed, save it to NV
    VOID osal_snv_write( BLE_NVID_SIGNCOUNTER, sizeof( uint32 ), &gapCentralRoleSignCounter );

    return ( events ^ GAP_EVENT_SIGN_COUNTER_CHANGED );
  }

  if ( events & START_ADVERTISING_EVT )
  {
    if ( gapRole_AdvEnabled )
    {
      gapAdvertisingParams_t params;

      // Setup advertisement parameters
      params.eventType = gapRole_AdvEventType;
      params.initiatorAddrType = gapRole_AdvDirectType;
      VOID osal_memcpy( params.initiatorAddr, gapRole_AdvDirectAddr, B_ADDR_LEN );
      params.channelMap = gapRole_AdvChanMap;
      params.filterPolicy = gapRole_AdvFilterPolicy;

      if ( GAP_MakeDiscoverable( gapRole_TaskID, &params ) != SUCCESS )
      {
        gapRole_state = GAPROLE_ERROR;
        // Notify the application
        if ( pGapCentralRoleCB && pGapCentralRoleCB->broadcastCB )
        {
          pGapCentralRoleCB->broadcastCB( gapRole_state );
        }
      }
    }

    return ( events ^ START_ADVERTISING_EVT );
  }  
  
  
  
  // Discard unknown events
  return 0;
}